18490101

素因数分解:

$3^1\times 7^4\times {\mathrm{17}}^1\times {\mathrm{151}}^1$

素因数の和:199

約数の個数: 40

約数和(自身を含む): 30654144

約数和(自身を除く): 12164043

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 151, 343, 357, 453, 833, 1029, 1057, 2401, 2499, 2567, 3171, 5831, 7203, 7399, 7701, 17493, 17969, 22197, 40817, 51793, 53907, 122451, 125783, 155379, 362551, 377349, 880481, 1087653, 2641443, 6163367, 18490101]

約数ペア:

[(1, 18490101), (3, 6163367), (7, 2641443), (17, 1087653), (21, 880481), (49, 377349), (51, 362551), (119, 155379), (147, 125783), (151, 122451), (343, 53907), (357, 51793), (453, 40817), (833, 22197), (1029, 17969), (1057, 17493), (2401, 7701), (2499, 7399), (2567, 7203), (3171, 5831)]